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What Is Blue Limestone?

September 13, 2020

Natural stone materials with so many various types and different feature,that used for a lots of stone projects.For example, we know those famous like as natural granite and marble stone,that often did in popular stone tiles and stone sculptures for high class projects. In those materials, there also have a special type stone mateiral, that is blue limestone. Just as word said, this material is one of a limestone and also with own special use and popular application.

Judging from the current domestic and international demand for limestone, the world’s annual demand is about 1.2 billion tons, but 80% is for general use. High-quality lime has a large market gap due to low resources and low output. In recent years, countries in the Asia-Pacific region have to import about 1.1 million tons of limestone from China each year due to insufficient domestic limestone resources. Experts predict that the domestic demand for high-quality limestone will increase at a rate of 250,000 tons per year, and the Asia-Pacific region will increase at a rate of 300,000 tons per year. As a professional blue limestone factory from China, we hope can supply some basic info for customers reference

What Is Limestone?

Limestone is a common non-metallic mineral and a valuable resource with a wide range of uses. Limestone is a trade name for limestone as a mineral raw material. Limestone has been widely used in the history of human civilization because of its wide distribution and easy accessibility in nature.

As an important building material, it has a long history of mining. In modern industry, limestone is the main raw material for the manufacture of cement, lime, and calcium carbide. It is an indispensable flux limestone in the metallurgical industry. After superfine grinding, high-quality limestone is widely used. Used in the manufacture of paper, rubber, paint, coating, medicine, cosmetics, feed, sealing, bonding, polishing and other products. According to incomplete statistics, the total ratio of limestone and building stones consumed in cement production, lime production, metallurgical flux, and limestone consumed by ultrafine calcium carbonate is 1:3

Just as material name said, that blue limestone is a limestone material. When we want to know and understand this material in very well, we have to know what is limestone too. The main component of limestone is calcium carbonate (CaCO3). Lime and limestone are a large number of raw materials used in construction materials and industries. Limestone can be directly processed into stone and burned into quicklime. Quicklime CaO becomes slaked lime by absorbing moisture or adding water. The main component of slaked lime is Ca(OH)2, which can be called calcium hydroxide. The slaked lime is prepared into lime slurry, lime paste, etc., which is used as coating material and brick adhesive. Whatever in Chinese market or other European market, this material always have big range use.

Compare with Chinese Granite, Chinese Marble, and Basalt Bluestone,this mateiral with own feature.The main component of limestone is calcium carbonate. Its main chemical property is to decompose into calcium oxide and carbon dioxide at higher temperature. In addition, there are some chemical properties as follows.

1 Chemical resistance.

In addition to acid, many corrosive substances cannot attack or only slowly attack limestone.

2 Acid-resistant

Limestone reacts with all strong acids to form calcium salts and release carbon dioxide. The reaction speed depends on the impurities contained in limestone and their crystal size. The higher the impurity content and the larger the crystal, the lower the reaction rate. The reaction speed of dolomite is slower than that of limestone. Judgment method of dolomite and limestone: a small amount of bubbles are generated when 10% hydrochloric acid is dropped on dolomite, and when dropped on limestone, odorless bubbles are generated violently. The gas generated can make the clarified lime water turbid

3 Resistance to various gases

Chlorine and hydrogen chloride react very slowly with CaCO3 in the dry bath state and at room temperature, and only start to accelerate after 600°C to form CaCl2; sulfur dioxide has no significant effect on CaCO3 in either gaseous or liquid state at room temperature; while nitrogen dioxide ( NO2) reacts with CaCO3 at 15℃ to produce Ca(NO3)2, NO and CO2

After short introduce, we can know what is structure of limestone and it is with own special physical feature. As a important type of limestone, the Blue Limestone also with those above feature.In addition, that also with own special style too. Then we can say some about this Blue Limestone material.

Blue Limestone Paving Stone

Blue Limestone Paving Stone

What Is Blue Limestone?

Jiaxiang,Shandong is the area with the largest storage of blue limestone(limestone). Blue Limestone slabs (blue limestone, gray limestone) generally contain about 50% CaO, and the MgO content is between 2.5-3.5.Three angles 3.7-3.8, water absorption ≤0.75%, bending strength ≥10.0MPa, glossiness around 60, compressive strength around 15.5mpa, density 2800 kg/m3.At the same time, the Blue Limestone also with own special feature. For exaple, that style as the texture is hard, the compressive strength is strong, the gloss is good, and it will not weather, which meets the requirements of the national first-class environmental protection product. It is widely used for indoor and outdoor building decoration, especially for gardens, squares, municipal administration, etc., showing its advantages.

Different Shapes Of Blue Limestone Products

Just as we introduced, the Blue Limestone can be cut in different shapes products. As it with very good physical data and performance. In general, we can cut blue limestone into  can be further processed into various plates: matte board, paving slate, antique stone, pickling surface, sandblasting board, fire board, litchi noodle, chopped axe stone, square stone, step stone, curb stone, railing board Stone, tombstone, special-shaped stone, craft stone carving, relief, block, slab, etc.

At the daily life, the customers can choose Blue Limestone products depends on different projects. As this type of material also with long time service life for outdoor application too.

Blue Limestone Kerbstones

Blue Limestone Kerbstones

Blue Limestone Sinks

Blue Limestone Sinks

Blue Limestone Slabs

Blue Limestone Slabs

Blue Limestone Tiles

Blue Limestone Tiles

Different Surface Of Blue Limestone

The Blue Limestone often did various surface methods for different projects.At the daily life, when we do outdoor paving stone slabs, then the flamed and bush hammered is most popular. If we want to use Blue Limestone for interior floor, then the honed and flat surface is most popular. Indeed, this blue limestone can do almost all types popular surface methods, the detailed as:

Polish Blue Limestone

Polish Blue Limestone

Polished

honed blue limestone

honed blue limestone

Honed

Flamed Blue Limestone

Flamed Blue Limestone

Flamed

flamed brushed blue limestone

flamed brushed blue limestone

Flamed+Brushed

bush hammered blue limestone

bush hammered blue limestone

Bush Hammered

sandblast blue limestone

sandblast blue limestone

Sandblast

Split Blue Limestone

Split Blue Limestone

Natural Split

Why Choose Chinese Blue Limestone?

The BLue Limestone also with various types from various areas. The famous mainly from China, Vietnam, and Belgium,etc. Of course, the most popular and famous blue limestone from Jiaxiang,China. Why so many peoples choose Blue Limestone from China?

Since becoming the world’s largest stone producer, exporter and consumer country in 2005, China’s stone industry has maintained rapid growth for eight consecutive years, and has accounted for nearly 20% of global stone processing and production. Become a hot spot in the world market and continue to drive the development of the global stone industry.Just as we said, blue limestone mainly used in high-end real estate projects. Common star hotels, high-end clubs, villas, and mid-to-high-end communities need to use a large number of different varieties of stone for interior and exterior decoration. In addition, in the global market, more and more art puzzles, stone art modeling, and stone columns are used in halls, colonnades, doorways, elevator entrances and other parts. In particular, traditional stone consuming countries such as the United States, Germany, Italy, Spain, etc., are using a large number of medium and high-end blue limestone products due to their architectural style, living tradition, and environmental protection.

In the China, there have more than 200 big and small blue limestone factories in China. Those factories mainly located in Jiaxiang,China. As the quarry supply in stable,then make more and more customers import this materials from Qingdao,China now. Of course, the good quality and competitive price always the most important for blue limestone developing in China.

With the improvement of living and living standards, the proportion of stone used on the floor, cabinets and walls in home decoration has also increased significantly. There have more and more peoples start to use Blue Limestone for construction and decoration now.This material belongs to enviroment friendly stone material, that can meet most areas and countries quality request.

 

 

 

 

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